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Initialize Rotation Coordinate System (screen.init)

Declaration​

prev = screen.init(orientation)

Parameters​

  • orientation
    Integer.
    0 = portrait, Home at bottom
    1 = landscape, Home at right
    2 = landscape, Home at left
    3 = portrait, Home at top

Returns​

  • prev
    Integer. The coordinate system used before this call.

Notes​

Initialize the coordinate system for color picking and touch events.
The following aliases are equivalent:

screen.init_home_on_bottom()    -- Home at bottom
screen.init_home_on_right()     -- Home at right
screen.init_home_on_left()      -- Home at left
screen.init_home_on_top()       -- Home at top

Example​

screen.init(0)    -- Home at bottom
screen.init(1)    -- Home at right
screen.init(2)    -- Home at left
screen.init(3)    -- Home at top